Joint Effects is a venture capital firm. Team members are concentrated in Cambridge, Massachusetts, United States. The known portfolio counts 9 companies, including Datanomix, Language I/O, Ever, Secure AI Labs, Splitero and BG Networks.
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Investment focus
- Focus
- AnalyticsAuto MarketplaceBrand ProtectionCommunications InfrastructureCryptoCustomer ServiceCybersecurityData AnalyticsDeFiEnterprise SaaSLifestyleNLPWeb3
Who to pitch at Joint Effects
Joint Effects portfolio companies (9)
- Datanomix
- Language I/O
- Ever
- Secure AI Labs
- Splitero
- BG Networks
- Sentora
- Authentic Vision
- Trident Digital
Co-investors
Funds that share portfolio companies with Joint Effects.
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About Joint Effects
The firm's listing covers sectors AI, Commerce, Consumer and FinTech, and focus areas Analytics, Auto Marketplace, Brand Protection and Communications Infrastructure; known deals cluster at Growth, Seed and Series A.
Greg Sissel (Associate) and Tuomo Vuolteenaho (Investor) are listed as the contacts to pitch at Joint Effects.
Across the known portfolio, 20 co-investors appear alongside Joint Effects, including Gutbrain Ventures, Stackpoint and Failup Ventures.
Frequently asked questions
What is Joint Effects?
Joint Effects is a venture capital firm whose team is concentrated in Cambridge, Massachusetts, United States, with a known portfolio of 9 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Joint Effects invest in?
Listed sectors include AI, Commerce, Consumer and FinTech; listed focus areas include Analytics, Auto Marketplace, Brand Protection and Communications Infrastructure. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Joint Effects invest at?
The known deals of Joint Effects include Growth, Seed and Series A rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Joint Effects?
Both people on file at Joint Effects are listed as contacts for the firm, each with their own profile page.
How do I contact Joint Effects?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 2 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal